extern int zgehd2_(integer *n, integer *ilo, integer *ihi, doublecomplex *a, integer *lda, doublecomplex *tau, doublecomplex *work, integer *info);
/*:ref: xerbla_ 14 3 13 4 124 */
/*:ref: zlarfg_ 14 5 4 9 9 4 9 */
/*:ref: zlarf_ 14 10 13 4 4 9 4 9 9 4 9 124 */
